Moved to Audio...

 

Good full-range speakers will be fine for everyday listening... but if you want to bump to some rap ( I H8 rap myself ) or feel a kick-drum in your chest ( ) then you need subs. Your best bet if you want to keep weight down is eather 1 good 10 or 12, or a pair of 10's if you want to keep the "stereo" effect ( I really couldn't tell the difference, other than mono's louder ( ½ the Ohm load ) )

 

If you get GOOD subs, chances are that will weigh your car down by like 20~100 lbs, including amp...

 

I have 2 10's and they are worth the weight! and I don't listen to rap. music is on 100% of the time. car is floored 5% of the time. and the weight wont' make much difference. so the subs win. you don't notice how good they are till you have them for a month then turn them off for a couple days. after you turn them off the music sucks.

 

I have a small sub box in my 87 TII powered off of the OEM rear speaker amps... it gives a fairly decent bump (for only being 25 watts each) and the total weight is about 10-20 pounds.... Granted; its not the kind of set-up to win any contests, but the sound is a big improvement over a stock system, and my total cost was $40.00 (2, 8" subs +2 tweeters)

 

You need the good speakers and the subs! what good is bass if you can't hear the words? I have two 6x9s mounted in the lids of the storage bins, so that they are pretty much right behind your head, and 2 10s in a box facing the back in addition to the 6.5s in the towers and doors and the tweeters in the dash. The sound is perfect. And though the roar of a good exhaust is a beautiful thing, it can get old in a hurry so the extra thump will help maximize driver pleasure

 

if you care that much about the weight of subs why not just rip out passenger seat and say no passengers
Thats probly 200+lbs w/ passenger and seat

 

Just put in 2 10's and take them out before you go to the track. Best of both worlds.

 

couldnt weight from subs in back help w/ traction?